11911104 has 112 divisors (see below), whose sum is σ = 35905440. Its totient is φ = 3870720.

The previous prime is 11911103. The next prime is 11911111. The reversal of 11911104 is 40111911.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11911103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105352 + ... + 105464.

Almost surely, 2^11911104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11911104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17952720).

11911104 is an abundant number, since it is smaller than the sum of its proper divisors (23994336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11911104 is a wasteful number, since it uses less digits than its factorization.

11911104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The square root of 11911104 is about 3451.2467312552. The cubic root of 11911104 is about 228.3761105260.

The spelling of 11911104 in words is "eleven million, nine hundred eleven thousand, one hundred four".